The Clock Tower, St. Seurin, Bordeaux

Watercolor, gouache, black ink, and lead-white, with heavy varnish, on white wove paper

Graphite on cream wove paper

Red chalk on oiled antique laid paper

Black chalk and charcoal, extensively stumped, with touches of red chalk on off-white antique laid paper, laid down on cream laid paper

Brown ink, gouache, and graphite on off-white wove paper with ruled lines

Distemper on card

Black and white chalk on green wove paper

Graphite on pale gray modern laid paper

Black chalk and charcoal on off-white laid paper

Watercolor over graphite on cream modern laid paper

Watercolor and graphite on cream laid paper

Graphite and turquoise wash, incised with a stylus on tracing paper, backed.